Senior Software Engineer - TypeScript, JavaScript & iOS

Senior Software Engineer - TypeScript, JavaScript & iOS
Up to £95 per hour (Inside IR35) | 40-hour working week
Manchester - 2 days per week in the office, remote working otherwise
Initial 6-month contract

A global technology company is looking for an experienced Senior Software Engineer with strong TypeScript and JavaScript experience, alongside solid iOS development skills, to join their dynamic team.

This is a full-stack engineering role, with the majority of the work focused on building and delivering features across the wider application and service stack using TypeScript and JavaScript. Around 40% of the role will focus on iOS development, so strong hands-on experience with the iOS SDK and Swift and/or Objective-C is also required.

You will play a key role in building app-wide features, improving infrastructure, solving complex technical challenges and driving technical excellence across the team.

Key Responsibilities

• Design, build and deliver app-wide features, systems and services across TypeScript, JavaScript and iOS.
• Develop and maintain high-quality software across the wider application stack, with a primary focus on TypeScript and JavaScript.
• Contribute to iOS development, building and enhancing mobile features using Swift and/or Objective-C.
• Work across different layers of the technology stack to deliver end-to-end features and solutions.
• Identify, troubleshoot and resolve infrastructure, application and technical issues.
• Continuously improve services and applications to enhance performance, scalability and resource optimisation.
• Lead technical initiatives that improve development processes and contribute to business opportunities for the team's product and the wider company.
• Lead and contribute to technical and architectural discussions, helping the team reach effective and scalable solutions.
• Mentor and support colleagues in their professional development, including onboarding new team members.
• Promote a collaborative working environment and help turn individual ideas into effective technical solutions.
• Contribute to recruitment activities, including technical interviews and onboarding of new hires.

Qualifications and Requirements

• 8+ years of professional software development experience across multiple technologies and programming languages.
• Strong commercial experience with TypeScript and JavaScript, with the ability to work confidently across a full-stack environment.
• Strong understanding of software architecture, development practices and building scalable applications and services.
• 5+ years of experience working with the iOS SDK, with hands-on development experience using Swift and/or Objective-C.
• Strong knowledge of iOS development and relevant Apple frameworks.
• Comfortable moving between web/application development and mobile development as part of the same product.
• Experience with automated testing and deploying applications, including iOS apps.
• Familiarity with A/B testing in app development.
• Strong problem-solving skills, attention to detail and a focus on delivering high-quality software.
• Self-motivated, proactive and comfortable working collaboratively within a technical team.
• A passion for exploring new technologies and finding effective solutions to complex technical challenges.

Bonus Points For

• Experience with Apple App Store and app distribution processes.
• Having an approved application available on the Apple App Store.
• Experience with server-driven UI frameworks.
• Experience working with modern full-stack architectures.
• Experience working on large-scale consumer-facing applications.